功能更新：新增Bug管理模块，完善用户角色分配，优化项目设置

src/utils/bugHistory.js

@@ -0,0 +1,73 @@
+import { addBugHistory } from '@/api/bugApi'
+
+/** 将任意值转为接口可接受的字符串（空用 ''） */
+export function toHistoryValue(v) {
+  if (v === undefined || v === null) return ''
+  if (typeof v === 'object') {
+    try {
+      return JSON.stringify(v)
+    } catch (e) {
+      return String(v)
+    }
+  }
+  return String(v)
+}
+
+/**
+ * 写入 Bug 操作历史（POST /bug/history/add）
+ * 失败不抛错、不阻断主流程，仅静默忽略（可后续接日志）
+ */
+export function recordBugHistory(store, { bugId, fieldName, oldValue, newValue, operatorId }) {
+  if (!bugId || !fieldName) return Promise.resolve()
+  const uid =
+    operatorId !== undefined && operatorId !== null && operatorId !== ''
+      ? operatorId
+      : store && store.state && store.state.currentUser && store.state.currentUser.id
+  if (uid === undefined || uid === null || uid === '') return Promise.resolve()
+  return addBugHistory({
+    bugId: Number(bugId),
+    fieldName: String(fieldName),
+    oldValue: toHistoryValue(oldValue),
+    newValue: toHistoryValue(newValue),
+    operatorId: Number(uid)
+  }).catch(() => {})
+}
+
+/** 编辑页：与接口 fieldName 对齐的表单字段（用于对比写历史） */
+export const BUG_EDIT_HISTORY_FIELDS = [
+  { formKey: 'title', fieldName: 'title' },
+  { formKey: 'bugType', fieldName: 'bug_type' },
+  { formKey: 'severity', fieldName: 'severity' },
+  { formKey: 'priority', fieldName: 'priority' },
+  { formKey: 'status', fieldName: 'status' },
+  { formKey: 'reporterId', fieldName: 'reporter_id' },
+  { formKey: 'assigneeId', fieldName: 'assignee_id' },
+  { formKey: 'moduleId', fieldName: 'module_id' },
+  { formKey: 'caseId', fieldName: 'case_id' },
+  { formKey: 'planId', fieldName: 'plan_id' },
+  { formKey: 'environment', fieldName: 'environment' },
+  { formKey: 'steps', fieldName: 'steps' },
+  { formKey: 'reproduceRate', fieldName: 'reproduce_rate' }
+]
+
+export function buildBugEditBaseline(form) {
+  const f = form || {}
+  const o = {}
+  BUG_EDIT_HISTORY_FIELDS.forEach(({ formKey }) => {
+    o[formKey] = f[formKey]
+  })
+  return o
+}
+
+/** 对比编辑前后并逐字段写历史（仅变更字段） */
+export function recordBugEditDiff(store, bugId, baseline, current) {
+  if (!bugId || !baseline || !current) return Promise.resolve()
+  const tasks = []
+  BUG_EDIT_HISTORY_FIELDS.forEach(({ formKey, fieldName }) => {
+    const ov = baseline[formKey]
+    const nv = current[formKey]
+    if (toHistoryValue(ov) === toHistoryValue(nv)) return
+    tasks.push(recordBugHistory(store, { bugId, fieldName, oldValue: ov, newValue: nv }))
+  })
+  return Promise.all(tasks)
+}